Do Angelfish Have Teeth: Are Their Bites Dangerous?

Yes, angelfish do have teeth! Their sharp teeth help them capture their prey with ease. In addition to their other predators, such as barracuda and stingrays, angels feed on small fish and crustaceans.

Angelfish are known to bite other fish because of territoriality. Angelfish are freshwater fish, and as such, they have a natural desire to protect their territory. When they see another fish in their environment, they may bite it to scare it away. Angelfish bite other fish because they’re not used to seeing other fish in their area and feel threatened.

Do Angelfish Bite Each Other?

Angelfish are typically noted for their gentle behavior, but this doesn’t mean they can’t bite each other in self-defense. If one angelfish feels threatened or uncomfortable, it may bite another fish in self-defense. As long as the aggressor is removed from the tank and new angels are slowly introduced over time, the angelfish will get to know one another and hopefully get along.

Angelfish are social fish and typically get along well with others in their aquarium. If you notice your angelfish biting other fish, remove the aggressor and slowly introduce new angels to the tank over time.

Why Do Angelfish Bite Each Other and Other Fish?


Angelfish are generally reef-safe and are not aggressive towards humans. This behavior, known as nipping, is usually harmless but can be startling to the predator. Angelfish do this by nibbling on the fish’s skin and releasing a neurotoxin that stuns or kills the fish. Angelfish bite other fish to establish dominance in their environment. So, next time you’re looking at an angelfish in your tank, remember that they’re doing their thing.

In addition, angelfish are known to nip predators, and if they bite one another, it will usually be in self-defense.


If you’re wondering why your angelfish keeps biting itself, it’s likely because of minor or major injuries. Damage can range from minor abrasions to severe lacerations that require surgery. Angelfish can also get caught in the wrong place and sustain injuries. If you notice your angelfish is injured, you must take it to a qualified veterinarian as soon as possible for treatment. Angelfish are very social fish and will often bite each other playfully.

So if your angelfish starts displaying any signs of injury, check it out as soon as possible. In addition, you should take care not to catch your angelfish in the wrong spot. Instead, you should check your fish regularly for signs of injury and treat it accordingly if any are present.


Angelfish are highly sensitive to water quality and can become stressed if their tank is not run correctly or they are not getting the proper level of nutrition. If your angelfish starts biting other fish, there is a good chance it’s under stress. Be sure to check your water conditions, add supplements if necessary, and provide your angelfish with plenty of love and attention to keep them healthy!

Predatory Instinct

It can be challenging to understand why some fish bite each other, but angelfish are particularly prone to doing so. Their sharp teeth help them catch their prey quickly and easily, while their feeding habits stimulate an angelfish predatory instinct. Angelfish feed on fish larvae, which makes them especially predacious. If you find yourself in the company of an angelfish biting other fish, leave them alone and let them feed in peace.

Additionally, angelfish do not have bony skulls like most fish, meaning they cannot bite through their head. Therefore, if you see them biting each other in the aquarium tank due to territorial disputes or even a lack of respect for others in the tank community, take action to separate them and remove aggressors from your aquarium so that these sorts of incidents don’t happen again.

Can I Keep Angelfish With Other Fish in an Aquarium?

Generally, angels are reef-safe and will get along well with other fish in the aquarium. If you notice your angelfish nipping at other fish, introduce new angels slowly to the tank over time. Remember that you should house your angels in an aquarium with at least 30 gallons of water. Remember to gradually adjust the pH, temperature, and light levels over time so you don’t shock them.

Do Angelfish Eat Other Fish?

Angelfish are beautiful fish that many people keep in their aquariums. They are peaceful and will not harm or eat other fish but like to eat algae off rocks and plants; in the wild, angelfish feed on small crustaceans and insects. In addition, they may eat algae, snails, and other tiny organisms. The angelfish will only occasionally be seen eating their tank mates, so they are not dangerous to watch the feed on.

Are Angelfish Dangerous to Humans?

Angelfish are not known to bite humans. They are pretty gentle fish and are considered one of the easier fish to keep in an aquarium. However, they may bite you if you are mishandling the fish or feel threatened. So always be cautious when handling these beautiful creatures and ensure you know how to properly control them so that incidents like this don’t occur.

In addition, do not feed angelfish who seem hungry because this will increase their aggression and mean more likely to injure themselves in the process.

How Do Angelfish Defend Themselves?

Angelfish and other fish use sharp teeth to catch their food. Sometimes when two fish are fighting, one will bite the other in the mouth, causing injury. Angelfish and other fish use their teeth to hold onto slippery prey, such as eels or squid. When angelfish bite other fish, it is usually in self-defense.

Additionally, angelfish are excellent swimmers and divers, similar to other marine fish types. If they feel threatened in the aquarium by a bigger or more aggressive fish like an Oscars, their priority is to get away from it as fast as possible to avoid injury. Therefore, you must know what kind of activity your angelfish prefers when handling them for food preparation.